HYOSUNG Aquila GT250 Ej, Service Manual

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4-1-13 EI SYSTEM DIAGNOSIS
A. LCD (DISPLAY) PANEL
To confirm the memorized malfunction code through the clock screen
1. Remove the rear seat.
2. Connect the special tool to the dealer mode coupler at the wiring harness, and the ignition switch is set to the “ON”
position.
3. Turn the special tool’s switch to the “ON” position.
4. Press the select switch
(in the normal mode) for 2 seconds to the clock screen is the clock reset mode .
In that state, continuously pressing the select switch for 3 seconds, the clock screen is displayed the
malfunction code mode
5. The memorized malfunction code is displayed in the code form on the clock screen
6. Start the engine and repeat the above procedure.
7. Check the malfunction code to determine the malfunction part.
8. Pressing the select switch
(in the malfunction code mode) for 0.6 ~ 1 seconds, the malfunction code mode is
changed into the CLOCK.
Mode select switch : 09900-27000
NOTE
This time, if not connect the special tool, the LCD display panel indicates the “cHE” letters.
Pressing the select switch for 0.6 ~ 1 seconds, the “cHE” letters disappear.
NOTE
The malfunction code of the clock screen is displayed the current code(s).
DEALER MODE
The defective function is memorized in the ECU.
The memorized malfunction code is displayed on the clock screen
or with blinks signal of the “FI” check lamp “ ” .
Malfunction means that the ECU does not receive signal from the devices or fault signal received.
These affected devices are indicated in the code form on the clock screen
or displayed with blinks signal of the “FI”
check lamp “ ” .